Which laptops does 778187-001 fit? 778187-001 (HP hard drive) is documented to fit 4 laptop models: HP ProBook 470 G3, HP ProBook 450 G4, HP ProBook 455 G4 and HP ProBook 455 G3. Fits come from OEM documentation (HP service guide), last checked 2026-11-12; not bench-tested. Full compatibility list.
HP spare part description: "500 GB 5400 rpm 7 mm hard drive". Documented OEM replacement; see each fit for configuration limits.
Devices documented to accept this OEM component. Compatibility from OEM documentation or a labelled source, with a confidence level on each fit; not bench-tested.
| Model | Brand | Last checked | Confidence |
|---|---|---|---|
| HP ProBook 470 G3 All hard drive for this model | HP | 2026-11-04 | OEM documented |
| HP ProBook 450 G4 All hard drive for this model | HP | 2026-11-09 | OEM documented |
| HP ProBook 455 G4 All hard drive for this model | HP | 2026-11-09 | OEM documented |
| HP ProBook 455 G3 All hard drive for this model | HP | 2026-11-12 | OEM documented |
HP description: "500 GB 5400 rpm 7 mm hard drive". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04825507, PDF pages 30, 34, 48: "778187-001" (500 GB 5400 rpm 7 mm hard drive). (via MG-28/MG-51 fold)
Listed for this model in HP's Maintenance and Service Guide (see source page). OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c05270979 (Document Part Number 903116-001), PDF pages 28, 34, 46: "778187-001" (For use in HP ProBook 450 G4 models, 500 GB, 5400 rpm, 7 mm). (via SOLO-22 pinned fold 2026-11-09)
OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c05270979 (Document Part Number 903116-001), PDF page 28: "778187-001". (via SOLO-22 pinned fold 2026-11-09)
HP spare part: Hard drive, 500 GB, 5400 rpm, 7 mm. OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04825528, PDF page 32: "500 GB, 5400 rpm, 7 mm 778187-001". The fetched guide names this part for this model. (via v10 fold 2026-11-12)
Summary of the documented fits above (sources on each model card); not bench-tested.
| Model | Brand | Type |
|---|---|---|
| HP ProBook 470 G3 | HP | Business laptop |
| HP ProBook 450 G4 | HP | Business laptop |
| HP ProBook 455 G4 | HP | Business laptop |
| HP ProBook 455 G3 | HP | Business laptop |
Fit check: Always confirm the OEM part/FRU number on your machine's label or in the service manual before buying. HP service guide
778187-001